>> reporter: michelle, thanks. here in washington a lot of senators in both political parties say they're ready to vote like the house already has for tougher sanctions. but president obama is asking them, and when he spoke today to israel's benjamin netanyahu, he also presumably asked the hard-line israeli leader give me six more months to see if this new, some would say softer diplomatic approach can work to get iran to give up building the bomb. the president spoke today in san francisco. >> none of that is going to be easy. huge challenges remain. but we cannot close the door on diplomacy. and we cannot rule out peaceful solutions to the world's problems. we cannot commit ourselves to an endless cycle of conflict. and tough talk and bluster may be the easy thing to do politically, but it's not the right thing for our kurt. security. it's not the right thing for our security. >> so the iranians will get access to some of their cash frozen in foreign banks and get to make some money selling petrochemicals. still